CN103426687B - A kind of clapper-type electromagnetic relay - Google Patents
A kind of clapper-type electromagnetic relay Download PDFInfo
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- CN103426687B CN103426687B CN201310353982.8A CN201310353982A CN103426687B CN 103426687 B CN103426687 B CN 103426687B CN 201310353982 A CN201310353982 A CN 201310353982A CN 103426687 B CN103426687 B CN 103426687B
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- barricade
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Abstract
The invention discloses a kind of clapper-type electromagnetic relay, comprise magnetic circuit part, dynamic spring part and quiet spring part; Magnetic circuit part comprises iron core, armature, yoke and coil; Coil comprises bobbin; Iron core is contained in the through hole of bobbin, and the upper end of iron core is provided with pole shoe; Dynamic spring part comprises movable contact spring and moving contact, and quiet spring part comprises static contact spring piece and fixed contact; The upper end of bobbin is provided with installation portion to a side extension, and static contact spring piece is contained in described installation portion, and moving contact matches with fixed contact at installation portion place; Bobbin between through hole and installation portion is integrally formed with at least one barricade, to be separated with the static contact spring piece being contained in installation portion place by the pole shoe being contained in bobbin through hole.The present invention can either increase the creepage distance between iron core and static contact spring piece, causes electric accident to avoid the moving contact that causes due to deposit contact splash between fixed contact and iron core and fixed contact to mislead; Greatly can improve again the shock resistance of relay.
Description
Technical field
The present invention relates to a kind of relay, particularly relate to a kind of clapper-type electromagnetic relay.
Background technology
Relay is the automatic switch element with isolation features, and being widely used in the field such as communication, automobile, automatically control, household electrical appliance, is one of most important control element.
A kind of clapper-type electromagnetic relay of prior art, generally include magnetic circuit part, dynamic spring part, the parts such as quiet spring part and base, wherein magnetic circuit part is by iron core, armature, the formation such as yoke and coil, coil is then made up of enamelled wire and bobbin, enamelled wire is wrapped on bobbin, bobbin is arranged on base, iron core is arranged in the hole of bobbin usually, one end of iron core is typically provided with pole shoe, when the actuating of relay, armature can inhale the pole-face of the pole shoe to iron core, the other end and the yoke of iron core fix, yoke is L-type, upper end forms the edge of a knife of yoke, armature can rotate along the edge of a knife of yoke, dynamic spring part is made up of movable contact spring and moving contact, movable contact spring is provided with bending part, the bending part of movable contact spring while fix with yoke, the another side of the bending part of movable contact spring and armature and moving contact fix, quiet spring part is made up of static contact spring piece and fixed contact, quiet spring part is located at the position corresponding with moving contact, can match with the moving contact of dynamic spring part to make the fixed contact of quiet spring part.
Because iron core and yoke are fixed together, yoke links together with the movable contact spring of dynamic spring part again, and moving contact is connected on movable contact spring, therefore in fact iron core is conducting with moving contact.In the relay course of work, moving contact and fixed contact are closing and ablation can occur in disconnection process, hard contact material can drop in ablation, be deposited between static contact spring piece and iron core, when hard contact material stacking is abundant, then the dielectric withstanding voltage between dynamic and static contact and insulation resistance can be made greatly to decline, finally make the fixed contact on static contact spring piece and iron core conducting, that is, make fixed contact and moving contact mislead, cause equipment short circuit.Meanwhile, electric current directly circulates between the plastics between quiet spring and iron core, can produce amount of heat, finally make plastics ignition, burn relay at frosting.
Summary of the invention
The object of the invention is to the deficiency overcoming prior art, a kind of clapper-type electromagnetic relay is provided, by the particular design of the structure to bobbin, and the architecture advances of pole shoe to iron core, on the one hand, the creepage distance between iron core and static contact spring piece can be increased, cause electric accident to avoid the moving contact that causes due to deposit contact splash between fixed contact and iron core and fixed contact to mislead; On the other hand, the shock resistance of relay can greatly be improved.
The technical solution adopted for the present invention to solve the technical problems is: a kind of clapper-type electromagnetic relay, comprises magnetic circuit part, dynamic spring part and quiet spring part; Described magnetic circuit part comprises iron core, armature, yoke and coil; Described coil comprises bobbin and is wrapped in the enamelled wire on bobbin; Described bobbin is provided with through hole vertically, and iron core fills in this through hole, and the upper end of iron core is provided with pole shoe, and lower end and the yoke of iron core fix; Described dynamic spring part comprises movable contact spring and moving contact, and described quiet spring part comprises static contact spring piece and is fixed on the fixed contact on static contact spring piece; The upper end of described bobbin is provided with installation portion to a side extension, and described static contact spring piece is contained in described installation portion, and described moving contact matches with fixed contact at described installation portion place; Bobbin between described through hole and described installation portion is provided with at least one barricade, to be separated with the static contact spring piece being contained in installation portion place by the pole shoe being contained in bobbin through hole.
Described pole shoe while be provided with section, described section is located at the direction of matching towards described dynamic and static contact.
Described barricade is one, and this barricade is located near described through hole here, and corresponding with the armature being fixed in movable contact spring, and the height of barricade is not less than the bottom of armature when relay resets, with the direction play stoping armature to match to dynamic and static contact.
Described barricade is two, the groove being used for holding contact splash is formed between two barricades, one of them barricade is located near described through hole here, and it is corresponding with the armature being fixed in movable contact spring, the height of this barricade is not less than the bottom of armature when relay resets, with the direction play stoping armature to match to dynamic and static contact.
Described barricade and bobbin are structure as a whole.
Described movable contact spring is provided with bending part, the fixing with armature and be engaged in the top of the pole shoe of iron core of the bending part of movable contact spring, and moving contact is fixed on the termination on one side of the bending part of described movable contact spring.
The invention has the beneficial effects as follows:
1, the present invention is provided with installation portion by extending to a side in the upper end of bobbin, and is contained in described installation portion by described static contact spring piece, allows described moving contact match with fixed contact at described installation portion place; Bobbin between described through hole and described installation portion is integrally formed with at least one barricade, to be separated with the static contact spring piece being contained in installation portion place by the pole shoe being contained in bobbin through hole; Owing to there being barricade, the creepage distance between the pole shoe of iron core and static contact spring piece so just can be increased;
2, the present invention is by clipping a part by the pole shoe of iron core, by pole shoe clipping near static contact spring piece, so also can increase the creepage distance between the pole shoe of iron core and static contact spring piece;
3, the present invention is by clipping a part by the pole shoe of iron core, simultaneously, bobbin between static contact spring piece and iron core arranges barricade, when after dynamic and static pitting of contact, hard contact splash can intercept by barricade, thus splatter thing can be stoped to fly away from tip side to iron core end, but also the groove formed between two barricades can be utilized, hold hard contact splash; The creepage distance between dynamic and static contact and dielectric withstanding voltage can be improved, and can effectively avoid the moving contact that causes due to deposit contact splash between fixed contact and iron core and fixed contact to mislead caused electric accident;
4, the present invention is by being located near described through hole here by barricade or two barricades, and it is corresponding with the armature being fixed in movable contact spring, and the height of this barricade is not less than the bottom of armature when relay resets, when relay is subject to impacting at length direction, armature will toward direction, contact play, due to the existence of barricade, can play the position-limiting action of armature at length direction, make armature and moving contact can not be departed from normal position because relay impacts, greatly can improve the shock resistance of relay.
Below in conjunction with drawings and Examples, the present invention is described in further detail; But a kind of clapper-type electromagnetic relay of the present invention is not limited to embodiment.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is STRUCTURE DECOMPOSITION schematic diagram of the present invention;
Fig. 3 is the organigram of bobbin of the present invention (comprising base);
Fig. 4 is the vertical view of bobbin of the present invention (comprising base);
Fig. 5 is the schematic diagram that bobbin of the present invention loads iron core and quiet spring part;
Fig. 6 is the structural representation of iron core of the present invention;
Fig. 7 is local structure schematic diagram of the present invention.
Embodiment
Embodiment, see shown in Fig. 1 to Fig. 7, a kind of clapper-type electromagnetic relay of the present invention, comprises magnetic circuit part 1, dynamic spring part 2 and quiet spring part 3; Described magnetic circuit part 1 comprises iron core 11, armature 12, yoke 13 and coil; Described coil comprises enamelled wire 14 and bobbin 15, and described enamelled wire 14 is wrapped on bobbin 15, and described bobbin 15 is arranged on base 4, and in the present embodiment, bobbin 15 and base 4 are structure as a whole; Described bobbin 15 is provided with through hole 151 vertically, and iron core 11 is contained in the through hole 151 of bobbin, and the upper end of iron core 11 is provided with pole shoe 111, and lower end and the yoke 13 of iron core 11 fix; Yoke 13 is L-type, and upper end forms the edge of a knife of yoke 13, and armature 12 can rotate along the edge of a knife of yoke; Described dynamic spring part 2 comprises movable contact spring 21 and moving contact 22, described movable contact spring 21 is provided with bending part, the bending part of movable contact spring while fix with armature 12 and be engaged in the top of the pole shoe 111 of iron core, moving contact 22 is fixed on the termination on one side of the bending part of described movable contact spring 21, and namely moving contact 22 and armature 12 are all in the same of the bending part of movable contact spring 21; The fixed contact 32 that described quiet spring part 3 comprises static contact spring piece 31 and is fixed on static contact spring piece, described static contact spring piece 31 is contained in the position that dynamic and static contact can be made to match; Described pole shoe 111 while be provided with section 112, described section 112 is located at the direction of matching towards described dynamic and static contact.
The upper end of described bobbin 15 is provided with installation portion 152 to a side extension, described static contact spring piece 31 and fixed contact 32 thereof are contained in described installation portion 152, described moving contact 22 matches with fixed contact 32 at described installation portion 152 place, bobbin 15 between described through hole 151 and described installation portion 152 is integrally formed with at least one barricade, the pole shoe 11 of bobbin through hole and the static contact spring piece 31 at installation portion place to be separated.
In the present embodiment, described barricade is two, i.e. barricade 153 and barricade 154, the groove 155 being used for holding contact splash is formed between barricade 153 and barricade 154, one of them barricade and barricade 153 are located near described through hole 151 here, and corresponding with the armature 12 being fixed in movable contact spring, the height of this barricade 153 is not less than the bottom of armature 12 when relay resets, with the direction play stoping armature 12 to match to dynamic and static contact.
Certainly, described barricade also can be one, when only having a barricade, this barricade is located near described through hole here, and corresponding with the armature being fixed in movable contact spring, the height of barricade is not less than the bottom of armature when relay resets, with the direction play stoping armature to match to dynamic and static contact.
A kind of clapper-type electromagnetic relay of the present invention, that the pole shoe 111 of iron core 11 is clipped a part, by pole shoe 111 near static contact spring piece 31 while clip formed section 112, like this, creepage distance originally between pole shoe and static contact spring piece just adds this segment distance of section 112, therefore, the creepage distance between the pole shoe of iron core and static contact spring piece can be increased.Simultaneously, bobbin between static contact spring piece 31 and iron core 11 is arranged barricade and barricade 153 and barricade 154, when after dynamic and static pitting of contact, hard contact splash can intercept by barricade, thus splatter thing can be stoped to fly away from tip side to iron core end, but also the groove 155 formed between two barricades can be utilized, and the region 156 between barricade 154 and fixed contact 32, hold hard contact splash; Thus the creepage distance that can improve between dynamic and static contact and dielectric withstanding voltage, and the moving contact that causes due to deposit contact splash between fixed contact 32 and iron core 11 and fixed contact can be effectively avoided to mislead caused electric accident; Barricade 153 is located near described through hole 151 here, and it is corresponding with the armature 12 being fixed in movable contact spring, and the height of this barricade 153 is not less than the bottom of armature 12 when relay resets, when relay is subject to impacting at length direction, armature 12 will toward direction, contact play, due to the existence of barricade 153, can play the position-limiting action of armature 12 at length direction, make armature 12 and moving contact 22 can not be departed from normal position because relay impacts, greatly can improve the shock resistance of relay.
Above-described embodiment is only used for further illustrating a kind of clapper-type electromagnetic relay of the present invention; but the present invention is not limited to embodiment; every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all fall in the protection range of technical solution of the present invention.
Claims (5)
1. a clapper-type electromagnetic relay, comprises magnetic circuit part, dynamic spring part and quiet spring part; Described magnetic circuit part comprises iron core, armature, yoke and coil; Described coil comprises bobbin and is wrapped in the enamelled wire on bobbin; Described bobbin is provided with through hole vertically, and iron core fills in this through hole, and the upper end of iron core is provided with pole shoe, and lower end and the yoke of iron core fix; Described dynamic spring part comprises movable contact spring and moving contact, and described quiet spring part comprises static contact spring piece and is fixed on the fixed contact on static contact spring piece; It is characterized in that: the upper end of described bobbin is provided with installation portion to a side extension, and described static contact spring piece is contained in described installation portion, and described moving contact matches with fixed contact at described installation portion place; Bobbin between described through hole and described installation portion is provided with at least one barricade, to be separated with the static contact spring piece being contained in installation portion place by the pole shoe being contained in bobbin through hole;
Described pole shoe while be provided with section, described section is located at the direction of matching towards described dynamic and static contact.
2. clapper-type electromagnetic relay according to claim 1, it is characterized in that: described barricade is one, this barricade is located near described through hole here, and it is corresponding with the armature being fixed in movable contact spring, the height of barricade is not less than the bottom of armature when relay resets, with the direction play stoping armature to match to dynamic and static contact.
3. clapper-type electromagnetic relay according to claim 1, it is characterized in that: described barricade is two, the groove being used for holding contact splash is formed between two barricades, one of them barricade is located near described through hole here, and it is corresponding with the armature being fixed in movable contact spring, the height of this barricade is not less than the bottom of armature when relay resets, with the direction play stoping armature to match to dynamic and static contact.
4. the clapper-type electromagnetic relay according to Claims 2 or 3, is characterized in that: described barricade and bobbin are structure as a whole.
5. clapper-type electromagnetic relay according to claim 1, it is characterized in that: described movable contact spring is provided with bending part, the bending part of movable contact spring while fix with armature and be engaged in the top of the pole shoe of iron core, moving contact be fixed on the bending part of described movable contact spring termination.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310353982.8A CN103426687B (en) | 2013-08-14 | 2013-08-14 | A kind of clapper-type electromagnetic relay |
| US14/911,592 US9754750B2 (en) | 2013-08-14 | 2014-07-22 | Magnetic latching relay of parallel type magnetic circuit |
| PCT/CN2014/082702 WO2015021847A1 (en) | 2013-08-14 | 2014-07-22 | Magnetic latching relay of parallel type magnetic circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310353982.8A CN103426687B (en) | 2013-08-14 | 2013-08-14 | A kind of clapper-type electromagnetic relay |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103426687A CN103426687A (en) | 2013-12-04 |
| CN103426687B true CN103426687B (en) | 2015-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310353982.8A Active CN103426687B (en) | 2013-08-14 | 2013-08-14 | A kind of clapper-type electromagnetic relay |
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| CN (1) | CN103426687B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9754750B2 (en) * | 2013-08-14 | 2017-09-05 | Xiamen Hongfa Electroacoustic Co., Ltd. | Magnetic latching relay of parallel type magnetic circuit |
| CN106058799A (en) * | 2016-07-04 | 2016-10-26 | 厦门宏发开关设备有限公司 | Single-phase self-recovery type overvoltage/undervoltage protector |
| EP3547343B1 (en) | 2016-11-24 | 2021-04-21 | Xiamen Hongfa Automotive Electronics Co., Ltd. | Insertion structure between static spring and bobbin |
| CN106558459B (en) * | 2016-11-24 | 2018-07-13 | 厦门宏发汽车电子有限公司 | A kind of miniaturization shock resistance clapper type relay |
| CN106601557B (en) * | 2017-01-11 | 2019-07-09 | 厦门宏发电声股份有限公司 | A kind of connection structure of the movable contact spring and yoke of movable contact spring and its clapper type relay |
| CN107706056B (en) * | 2017-10-10 | 2020-01-03 | 三友联众集团股份有限公司 | Contact protection type relay |
| CN108321033A (en) * | 2018-03-26 | 2018-07-24 | 厦门宏远达电器有限公司 | The electromagnetic relay of pressure-resistant performance between a kind of raising contact |
| CN109473317B (en) * | 2018-11-19 | 2024-07-12 | 浙江宏舟新能源科技有限公司 | High-voltage direct-current relay with magnetic steel arc extinction function |
| CN109686620A (en) * | 2018-12-01 | 2019-04-26 | 浙江英洛华新能源科技有限公司 | It claps and closes Direct Action Type normally closed relay |
| CN110444445B (en) * | 2019-08-09 | 2024-10-11 | 四川宏发电声有限公司 | Coil former for clapping relay and clapping relay |
| CN110491732B (en) * | 2019-08-13 | 2024-08-30 | 四川宏发电声有限公司 | Flip-chip type miniature relay |
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| CN1103732A (en) * | 1993-07-06 | 1995-06-14 | 断路器工业有限公司 | Circuit breaker mechanism |
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| CN102983042A (en) * | 2012-10-29 | 2013-03-20 | 厦门宏发电声股份有限公司 | Electromagnetic relay capable of reducing foreign matter contamination |
| CN203406234U (en) * | 2013-08-14 | 2014-01-22 | 厦门宏发电声股份有限公司 | Clapper-type electromagnetic relay |
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2013
- 2013-08-14 CN CN201310353982.8A patent/CN103426687B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1103732A (en) * | 1993-07-06 | 1995-06-14 | 断路器工业有限公司 | Circuit breaker mechanism |
| CN201311887Y (en) * | 2008-11-20 | 2009-09-16 | 厦门宏美电子有限公司 | Electromagnetic relay with insulating spacer |
| CN201364856Y (en) * | 2008-11-20 | 2009-12-16 | 厦门宏美电子有限公司 | Electromagnetic relay with arc insulating shield |
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| CN203406234U (en) * | 2013-08-14 | 2014-01-22 | 厦门宏发电声股份有限公司 | Clapper-type electromagnetic relay |
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| CN103426687A (en) | 2013-12-04 |
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